Writing instrument



FIG. 1 is perspective view as seen from the top, front and left side ofa writing instrument showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof where the right side viewis a mirror image;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top elevational view thereof; and,

FIG. 6 is a bottom elevational view thereof.

The ornamental design for a writing instrument, as shown and described.